the amount of water retained in a soil against the force of gravity, usually measured 24 to 36 hours after flooding, and about equal to the water content at one-third of the atmospheric pressure.
die hoogste veldgemete waterinhoud van 'n grond nadat dit deeglik benat en toegelaat is om te dreineer, totdat dreinering 'n gespesifiseerde lae waarde bereik het.